DEFA14A

ABIOMED, INC.

  22 CHERRY HILL DRIVE

  DANVERS, MA 01923

You are receiving this communication because you hold shares in the company named above.

This is not a ballot. You cannot use this notice to vote these shares. This communication presents only an overview of the more complete proxy materials that are available to you on the Internet. You may view the proxy materials online at www.proxyvote.com or easily request a paper or e-mail copy (see reverse side).

We encourage you to access and review all of the important information contained in the proxy materials before voting.

See the reverse side of this notice to obtain proxy materials and voting instructions.

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A INFORMATION

Proxy Statement Pursuant to Section 14(a) of the

Securities Exchange Act of 1934

(Amendment No. )

Filed by the Registrant ☒ Filed by a party other than the Registrant ☐

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☐		Definitive Proxy Statement

☒		Definitive Additional Materials

☐		Soliciting Material Pursuant to 240.14a-12

ABIOMED, INC.

(Name of Registrant as Specified In Its Charter)

(Name of Person(s) Filing Proxy Statement if Other Than the Registrant)

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*** Exercise Your Right to Vote ***

Important Notice Regarding the Availability of Proxy Materials for the

Stockholder Meeting to Be Held on August 8, 2018

Meeting Information

ABIOMED, INC.

Meeting Type:

Annual Meeting

For holders as of:

June 11, 2018

Date: August 8, 2018

Time: 8:00 AM ET

Location: Boston Park Plaza

50 Park Plaza

Boston, Massachusetts 02116

— Before You Vote —

How to Access the Proxy Materials

Proxy Materials Available to VIEW or RECEIVE:

NOTICE OF ANNUAL MEETING OF STOCKHOLDERS AND PROXY STATEMENT

ANNUAL REPORT

How to View Online:

Have the information that is printed in the box marked by the arrow LOGO (located on the following page) and visit: www.proxyvote.com.

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2) BY TELEPHONE: 1-800-579-1639

3) BY E-MAIL*: sendmaterial@proxyvote.com

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Requests, instructions and other inquiries sent to this e-mail address will NOT be forwarded to your investment advisor. Please make the request as instructed above on or before July 25, 2018 to facilitate timely delivery.

— How To Vote —

Please Choose One of the Following Voting Methods

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Vote By Internet: To vote now by Internet, go to www.proxyvote.com. Have the information that is printed in the box marked by the arrow LOGO (located on the following page) available and follow the instructions.

Vote By Mail: You can vote by mail by requesting a paper copy of the materials, which will include a proxy card.

Vote In Person: Many stockholder meetings have attendance requirements including, but not limited to, the possession of an attendance ticket issued by the entity holding the meeting. Please check the meeting materials for any special requirements for meeting attendance. At the meeting, you will need to request a ballot to vote these shares.


Voting Items

PLEASE NOTE – YOU CANNOT VOTE BY RETURNING THIS NOTICE.

The Board of Directors recommends that you vote

FOR ALL nominees in Proposal 1:

Election of Directors

Nominees:

(1)

Eric A. Rose

(2)

Jeannine M. Rivet

The Board of Directors recommends that you vote FOR Proposal 2:

Approval, by non-binding advisory vote, of executive compensation

The Board of Directors recommends that you vote FOR Proposal 3:

Amend and restate the ABIOMED, Inc. Amended and Restated 2015 Omnibus Incentive Plan to, among other things, increase the number of shares of common stock available for the issuance thereunder by 1,725,000 shares to 4,985,000 shares.

The Board of Directors recommends that you vote FOR Proposal 4:

Ratify the appointment of Deloitte & Touche LLP as our independent registered public accounting firm for the fiscal year ending March 31, 2019.

NOTE: IN THEIR DISCRETION, THE PROXIES ARE AUTHORIZED, TO THE EXTENT PERMITTED BY RULE 14A-4(C)(1) OF THE EXCHANGE ACT, TO VOTE UPON SUCH OTHER BUSINESS AS MAY PROPERLY COME BEFORE THE MEETING OR ANY ADJOURNMENT OR POSTPONEMENT THEREOF.

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